Answer:
216 m³
Step-by-step explanation:
let's calculate the area of the front face and then multiply it by 4m
11*3 + (11-4)*3
(left and right triangle equal a rectangle area here)
= 33 + 21
= 54
multiplied by 4
-> 216
the last step is like multiplying with height in other exercises and other bodies
pls brainliest